Eight Fully Featured Class-A Tube Mic Preamps Eight Channels of ADAT lightpipe Digital 24 Bit Audio I/O at 44.1 or 48kHz Input Gain and Output Level Controls on Every Channel Input Pad, Phase flip and Low Frequency Roll Off Switches on Every Channel Two Additional Front Mounted High Impedance Instrument Line Inputs Eight 1/4-inch TRS Balanced Outputs